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X-ray Wk 4
Review
| Question | Answer |
|---|---|
| The portion of the image receptor (IR) system which reduces the amount of exposure required to produce an image | intensifying screen |
| Efficiency of a screen in converting x-rays to light | screen speed |
| Result of poor film screen contact | image blur |
| "cassette based" digital x-ray system | computed radiography (CR) |
| The system used to view and store digital x-ray images | PACS |
| Centering of the body part when using digital systems | must be placed in center of IR |
| Approximate time for automatic film processing | 90 seconds |
| Marks, exposures or images on a radiograph that are not part of the intended image | artifacts |
| Static electricity artifacts on film are due to | not enough humidity in the air |
| Recommended SID for chest x-ray | 72 inches |